There's a problem with the Scorpion tank.
When I spawned it, it was floating. This wasn't a problem, until I drove it down a hill. Then it looked like this:

The problem is that once it's down the hill, the turning goes to stuff, and the whole thing starts acting like it's on a unicycle. If you could find a way to fix this in your next update, that would be very relieving.
EDIT: It also can't climb back up the hill.